[Snyk] Security upgrade org.bouncycastle:bcprov-jdk18on from 1.76 to 1.78

[svcprodsec-sendgrid]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `maven` dependencies of this project.

#### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - pom.xml #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Upgrade | Breaking Change | Exploit Maturity | Reachability :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------|:-------------------------|:-------------------------  | **650/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 7.5 | Infinite loop
[SNYK-JAVA-ORGBOUNCYCASTLE-6612984](https://snyk.io/vuln/SNYK-JAVA-ORGBOUNCYCASTLE-6612984) | `org.bouncycastle:bcprov-jdk18on:`
`1.76 -> 1.78`
| No | Proof of Concept | No Path Found  | **570/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 5.9 | Observable Discrepancy
[SNYK-JAVA-ORGBOUNCYCASTLE-6613076](https://snyk.io/vuln/SNYK-JAVA-ORGBOUNCYCASTLE-6613076) | `org.bouncycastle:bcprov-jdk18on:`
`1.76 -> 1.78`
| No | Proof of Concept | No Path Found  | **465/1000**
**Why?** Recently disclosed, Has a fix available, CVSS 5.3 | Allocation of Resources Without Limits or Throttling
[SNYK-JAVA-ORGBOUNCYCASTLE-6613079](https://snyk.io/vuln/SNYK-JAVA-ORGBOUNCYCASTLE-6613079) | `org.bouncycastle:bcprov-jdk18on:`
`1.76 -> 1.78`
| No | No Known Exploit | No Path Found (*) Note that the real score may have changed since the PR was raised. Check the changes in this PR to ensure they won't cause issues with your project. ------------ **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.* For more information: 🧐 [View latest project report](https://app.snyk.io/org/sendgrid/project/decf0027-fe05-44c8-9020-6b28f13ed1d0?utm_source=github-enterprise&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/sendgrid/project/decf0027-fe05-44c8-9020-6b28f13ed1d0?utm_source=github-enterprise&utm_medium=referral&page=fix-pr/settings) 📚 [Read more about Snyk's upgrade and patch logic](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities) [//]: # (snyk:metadata:{"prId":"f47878b4-1710-4c10-8759-3e5e4fb6d366","prPublicId":"f47878b4-1710-4c10-8759-3e5e4fb6d366","dependencies":[{"name":"org.bouncycastle:bcprov-jdk18on","from":"1.76","to":"1.78"}],"packageManager":"maven","projectPublicId":"decf0027-fe05-44c8-9020-6b28f13ed1d0","projectUrl":"https://app.snyk.io/org/sendgrid/project/decf0027-fe05-44c8-9020-6b28f13ed1d0?utm_source=github-enterprise&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JAVA-ORGBOUNCYCASTLE-6612984","SNYK-JAVA-ORGBOUNCYCASTLE-6613076","SNYK-JAVA-ORGBOUNCYCASTLE-6613079"],"upgrade":["SNYK-JAVA-ORGBOUNCYCASTLE-6612984","SNYK-JAVA-ORGBOUNCYCASTLE-6613076","SNYK-JAVA-ORGBOUNCYCASTLE-6613079"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[650,570,465],"remediationStrategy":"vuln"}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Allocation of Resources Without Limits or Throttling](https://learn.snyk.io/lesson/no-rate-limiting/?loc=fix-pr)

[gian1200]

Any update on this? There is also https://github.com/sendgrid/sendgrid-java/issues/749