patch 9.0.1071: Codecov action version is too specific

Problem:    Codecov action version is too specific.
Solution:   Only use "v3" to automatically use the latest stable version.
            (closes #11720)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e7690e..ae4caf0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -254,7 +254,7 @@
 
       - name: Codecov
         if: matrix.coverage
-        uses: codecov/codecov-action@v3.1.1
+        uses: codecov/codecov-action@v3
         with:
           flags: linux,${{ matrix.features }}-${{ matrix.compiler }}-${{ matrix.extra }}
 
@@ -613,7 +613,7 @@
 
       - name: Codecov
         if: matrix.coverage
-        uses: codecov/codecov-action@v3.1.1
+        uses: codecov/codecov-action@v3
         with:
           directory: src
           flags: windows,${{ matrix.toolchain }}-${{ matrix.arch }}-${{ matrix.features }}