Minor changes in wording

[leerho]

Pull in changes from leerho/datasketches-memory/minor_changes_in_wording:

1. .github/workflows/manual-coverage.yml

• update actions from @V3 to @v4. Does not work properly in my personal repo:
  Error: Failed to execute goal org.eluder.coveralls:coveralls-maven-plugin:4.3.0:report (default-cli) on project datasketches-memory:
  Build error: Either repository token or service with job id must be defined -> [Help 1]

2. .github/workflows/manual-os-matrix.yml

• update actions from @V3 to @v4.

3. .github/workflows/manual-share-data.yml

• update actions from @V3 to @v4

4. src/test/java/org/apache/datasketches/memory/internal/AllocateDirectMapMemoryTest.java

• Remove Memory.isLoaded() calls that are incompatible with Windows
• Remove unnecessary SuppressWarnings("resource")

5. src/test/java/org/apache/datasketches/memory/internal/AllocateDirectMemoryTest.java

• Remove some unnecessary SuppressWarnings("resource")

6. src/test/java/org/apache/datasketches/memory/internal/AllocateDirectWritableMapMemoryTest.java

• Remove unnecessary SuppressWarnings("resource")
• Remove Memory.isLoaded() calls that are incompatible with Windows

7. src/test/java/org/apache/datasketches/memory/internal/BufferTest.java

• Remove unnecessary SuppressWarnings("resource")
• Remove unused import

8. src/test/java/org/apache/datasketches/memory/internal/CopyMemoryTest.java

• Remove unnecessary SuppressWarnings("resource")

9. src/test/java/org/apache/datasketches/memory/internal/ExampleMemoryRequestServerTest.java

• Remove unnecessary SuppressWarnings("resource")

10. src/test/java/org/apache/datasketches/memory/internal/IgnoredArrayOverflowTest.java

• Remove unnecessary SuppressWarnings("resource")

11. src/test/java/org/apache/datasketches/memory/internal/MemoryTest.java

• Remove unnecessary SuppressWarnings("resource")

12. src/test/java/org/apache/datasketches/memory/internal/NativeWritableBufferImplTest.java

• Remove unnecessary SuppressWarnings("resource")

13. src/test/java/org/apache/datasketches/memory/internal/NativeWritableMemoryImplTest.java

• Remove unnecessary SuppressWarnings("resource")

14. src/test/java/org/apache/datasketches/memory/internal/PositionalTest.java

• Remove unused imports
• Remove unused static class member

15. src/test/java/org/apache/datasketches/memory/internal/UtilTest.java # check for extra space

• Remove unused imports
• Fix string length from file to work with both Macos/unix and Windows

16. src/test/java/org/apache/datasketches/memory/internal/WritableMemoryTest.java

• Remove unused imports

17. src/test/java/org/apache/datasketches/memory/internal/ZeroCapacityTest.java

• Remove unnecessary SuppressWarnings("resource")

18. .toolchains.xml was deleted