CVE-2020-8908 in Guava v.28.2-jre, should upgrade to v.30.1.1

**Describe the bug**
CVE-2020-8908 in Guava v.28.2-jre, should upgrade to v.30.1.1

**To Reproduce**
Please check vulnerability section in :
[https://github.com/google/guava/issues/4011](https://github.com/google/guava/issues/4011)

**Expected behavior**
Upgrading to v30.1.1 will mitigate this vulnerability.

**Screenshots**
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**Desktop (please complete the following information):**
- OS: all
- Browser all
- Version all

**Smartphone (please complete the following information):**
- Device: [e.g. iPhone6]
- OS: [e.g. iOS8.1]
- Browser [e.g. stock browser, safari]
- Version [e.g. 22]

**Additional context**
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