fix: codecov config (#13244)

codecov.yml

 codecov:
   require_ci_to_pass: false
+
 comment:
   layout: "diff, flags, files"
   behavior: default
@@ -12,8 +13,14 @@ ignore:
   - "**/*.t.sol"
   - "packages/contracts-bedrock/test/**/*.sol"
   - "packages/contracts-bedrock/scripts/**/*.sol"
-  - "packages/contracts-bedrock/contracts/vendor/WETH9.sol"
-  - 'packages/contracts-bedrock/contracts/EAS/**/*.sol'
+  - "packages/contracts-bedrock/src/vendor/**/*.sol"
+  - "packages/contracts-bedrock/src/interfaces/**/*.sol"
+  # TODO: add coverage for MIPS64 back once tests are merged in
+  - "packages/contracts-bedrock/src/cannon/MIPS64.sol"
+  - "packages/contracts-bedrock/src/cannon/libraries/MIPS64Instructions.sol"
+  - "packages/contracts-bedrock/src/cannon/libraries/MIPS64State.sol"
+  - "packages/contracts-bedrock/src/cannon/libraries/MIPS64Syscalls.sol"
+
 coverage:
   status:
     patch:
@@ -26,16 +33,14 @@ coverage:
     project:
       default:
         informational: true
+
 flag_management:
   # Note: flags should have the same name as the circleci job in which they
   # are uploaded.
   individual_flags:
-    - name: contracts-bedrock-tests
+    - name: contracts-bedrock-coverage
       paths:
         - packages/contracts-bedrock/src
       statuses:
         - type: patch
           target: 100%
-    - name: bedrock-go-tests
-    - name: contracts-tests
-    - name: sdk-tests