Update nexus-sync version

Author: jvalkeal

.github/workflows/central-sync-close.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
 
     # Request close promotion repo
-    - uses: jvalkeal/nexus-sync@main
+    - uses: jvalkeal/nexus-sync@v0
       with:
         username: ${{ secrets.OSSRH_S01_TOKEN_USERNAME }}
         password: ${{ secrets.OSSRH_S01_TOKEN_PASSWORD }}

.github/workflows/central-sync-create.yml

@@ -39,7 +39,7 @@ jobs:
           --spec-vars "buildname=$JFROG_CLI_BUILD_NAME;buildnumber=$JFROG_CLI_BUILD_NUMBER"
 
     # Create checksums, signatures and create staging repo on central and upload
-    - uses: jvalkeal/nexus-sync@main
+    - uses: jvalkeal/nexus-sync@v0
       id: nexus
       with:
         url: ${{ secrets.OSSRH_URL }}

.github/workflows/central-sync-release.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
 
     # Request release promotion repo
-    - uses: jvalkeal/nexus-sync@main
+    - uses: jvalkeal/nexus-sync@v0
       with:
         username: ${{ secrets.OSSRH_S01_TOKEN_USERNAME }}
         password: ${{ secrets.OSSRH_S01_TOKEN_PASSWORD }}

.github/workflows/release-ga.yml

@@ -128,7 +128,7 @@ jobs:
           --spec .github/release-files-spec.json \
           --spec-vars "buildname=$JFROG_CLI_BUILD_NAME;buildnumber=$JFROG_CLI_BUILD_NUMBER"
     # last step, sync to central.
-    - uses: jvalkeal/nexus-sync@main
+    - uses: jvalkeal/nexus-sync@v0
       with:
         url: ${{ secrets.OSSRH_URL }}
         username: ${{ secrets.OSSRH_S01_TOKEN_USERNAME }}