chore: reuse CI permissions content write to release (#131)

Author: ZTongci

.github/workflows/release_alpha.yml

@@ -7,6 +7,8 @@ on:
 
 jobs:
   release:
+    permissions:
+      contents: write
     uses: reearth/core/.github/workflows/npm_release.yml@beta
     with:
       branch: alpha

.github/workflows/release_beta.yml

@@ -7,6 +7,8 @@ on:
 
 jobs:
   release:
+    permissions:
+      contents: write
     uses: reearth/core/.github/workflows/npm_release.yml@beta
     with:
       branch: beta

.github/workflows/release_latest.yml

@@ -11,6 +11,8 @@ on:
 
 jobs:
   release:
+    permissions:
+      contents: write
     uses: reearth/core/.github/workflows/npm_release.yml@beta
     with:
       branch: main