[Security] Bump sshpk from 1.13.1 to 1.15.2 in /eventol/front

Bumps [sshpk](https://github.com/joyent/node-sshpk) from 1.13.1 to 1.15.2. **This update includes security fixes.**
- [Release notes](https://github.com/joyent/node-sshpk/releases)
- [Commits](TritonDataCenter/node-sshpk@v1.13.1...v1.15.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

eventol/front/yarn.lock

@@ -6376,6 +6376,10 @@ safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@~5.1.0, s
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safer-buffer@^2.0.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
 sane@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/sane/-/sane-2.2.0.tgz#d6d2e2fcab00e3d283c93b912b7c3a20846f1d56"
@@ -6676,17 +6680,17 @@ squeak@^1.0.0:
     lpad-align "^1.0.1"
 
 sshpk@^1.7.0:
-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
+  version "1.15.2"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.15.2.tgz#c946d6bd9b1a39d0e8635763f5242d6ed6dcb629"
   dependencies:
     asn1 "~0.2.3"
     assert-plus "^1.0.0"
-    dashdash "^1.12.0"
-    getpass "^0.1.1"
-  optionalDependencies:
     bcrypt-pbkdf "^1.0.0"
+    dashdash "^1.12.0"
     ecc-jsbn "~0.1.1"
+    getpass "^0.1.1"
     jsbn "~0.1.0"
+    safer-buffer "^2.0.2"
     tweetnacl "~0.14.0"
 
 stable@~0.1.6: