build(deps): bump poiVersion from 5.5.0 to 5.5.1

Bumps `poiVersion` from 5.5.0 to 5.5.1.

Updates `org.apache.poi:poi-ooxml` from 5.5.0 to 5.5.1

Updates `org.apache.poi:poi` from 5.5.0 to 5.5.1

---
updated-dependencies:
- dependency-name: org.apache.poi:poi-ooxml
  dependency-version: 5.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.poi:poi
  dependency-version: 5.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

SpringBootExcel/build.gradle

@@ -5,7 +5,7 @@ repositories {
 	mavenCentral()
 }
 
-var poiVersion='5.5.0'
+var poiVersion='5.5.1'
 
 dependencies {
 	implementation "org.apache.poi:poi-ooxml:${poiVersion}" // .xlsx