chore: update pathPrefix

Author: zjx20

docs/en/preview/user_docs/concepts/backup-and-restore/backup/backup-repo.mdx

@@ -102,7 +102,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: s3-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -138,7 +138,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: oss-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -174,7 +174,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: obs-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -210,7 +210,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: cos-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -246,7 +246,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: gcs-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -281,7 +281,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: minio-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -316,7 +316,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: s3-comp-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 

docs/en/release-0_9/user_docs/maintenance/backup-and-restore/backup/backup-repo.mdx

@@ -141,7 +141,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: s3-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -177,7 +177,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: oss-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -213,7 +213,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: obs-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -249,7 +249,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: cos-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -285,7 +285,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: gcs-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -320,7 +320,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: minio-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 

docs/en/release-1_0/user_docs/concepts/backup-and-restore/backup/backup-repo.mdx

@@ -102,7 +102,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: s3-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -138,7 +138,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: oss-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -174,7 +174,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: obs-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -210,7 +210,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: cos-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -246,7 +246,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: gcs-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -281,7 +281,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: minio-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```
 
@@ -316,7 +316,7 @@ If you do not configure the BackupRepo information when installing KubeBlocks, y
      credential:
        name: s3-comp-credential-for-backuprepo
        namespace: kb-system
-     pathPrefix: /
+     pathPrefix: ""
    EOF
    ```