fix GitHub's broken runners

Author: squell

.github/workflows/ci.yaml

@@ -179,6 +179,9 @@ jobs:
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
+      - name: Correct permissions
+        run: sudo chmod -R 755 /usr/share
+
       - name: Install llvm-tools component
         run: rustup component add llvm-tools
 
@@ -212,6 +215,9 @@ jobs:
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
+      - name: Correct permissions
+        run: sudo chmod -R 755 /usr/share
+
       - name: Install nightly rust
         run: |
           rustup set profile minimal
@@ -240,6 +246,9 @@ jobs:
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
+      - name: Correct permissions
+        run: sudo chmod -R 755 /usr/share
+
       - name: Install rust 1.70
         run: rustup override set 1.70
 
@@ -316,6 +325,9 @@ jobs:
     steps:
       - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
 
+      - name: Correct permissions
+        run: sudo chmod -R 755 /usr/share
+
       - name: Add 32-bit target
         run: |
           rustup target add i686-unknown-linux-gnu