GA actions update

.github/workflows/tests.yml

@@ -56,7 +56,7 @@ jobs:
           result = "${{ runner.os }}-{}-{}-pre-commit".format(python, digest[:8])
 
       - name: Restore pre-commit cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         if: matrix.session == 'pre-commit'
         with:
           path: ~/.cache/pre-commit
@@ -111,4 +111,4 @@ jobs:
         run: nox --session=coverage -- xml
 
       - name: Upload coverage report
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4

README.md

@@ -169,7 +169,7 @@ An analogy might help us here. Let's say you are a person who
 enjoys keeping track of statistics, and you decide to try
 fishing. At first, you have a single fishing rod and you go
 fishing at a series of local lakes where your catch consists
-of \_small fishes called "crappies". Your records reval
+of **small fishes called "crappies"**. Your records reval
 that while the rate of catching fishes can vary from day to
 day--fish might be hungry or not--the average size of your
 catch is pretty stable. Bigger ponds tend to have bigger fish