chore(deps): bump spring-context from 5.2.7.RELEASE to 5.2.8.RELEASE (appium#1377)

Bumps [spring-context](https://github.com/spring-projects/spring-framework) from 5.2.7.RELEASE to 5.2.8.RELEASE. - [Release notes](https://github.com/spring-projects/spring-framework/releases) - [Commits](spring-projects/spring-framework@v5.2.7.RELEASE...v5.2.8.RELEASE) Signed-off-by: dependabot-preview[bot] <support@dependabot.com> Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

build.gradle

@@ -80,7 +80,7 @@ dependencies {
  compile 'commons-validator:commons-validator:1.6'
  compile 'org.apache.commons:commons-lang3:3.11'
  compile 'commons-io:commons-io:2.7'
- compile 'org.springframework:spring-context:5.2.7.RELEASE'
+ compile 'org.springframework:spring-context:5.2.8.RELEASE'
  compile 'org.aspectj:aspectjweaver:1.9.6'
  compile 'org.slf4j:slf4j-api:1.7.30'