Clean up bumpversion

[blink1073]

References

Progress toward #10340

Code changes

Add "next" convenience bumpversion target

User-facing changes

None

Backwards-incompatible changes

None

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Benchmark report

The execution time (in milliseconds) are grouped by test file, test type and browser.
For each case, the following values are computed: min <- [1st quartile - median - 3rd quartile] -> max.

Test file	large_code_notebook	large_md_notebook
open
chromium
actual	4600 <- [5489 - 5711 - 5871] -> 13382	2780 <- [2866 - 2918 - 2942] -> 3190
expected	6938 <- [7584 - 7618 - 7760] -> 8204	3461 <- [3524 - 3534 - 3590] -> 4136
switch-from
chromium
actual	362 <- [369 - 378 - 399] -> 833	245 <- [260 - 264 - 275] -> 280
expected	464 <- [480 - 489 - 499] -> 789	310 <- [338 - 344 - 352] -> 370
switch-to
chromium
actual	1373 <- [1403 - 1498 - 1550] -> 1722	1306 <- [1327 - 1344 - 1353] -> 1409
expected	1706 <- [1730 - 1764 - 1814] -> 2015	1541 <- [1549 - 1562 - 1574] -> 1608
close
chromium
actual	4121 <- [10094 - 10619 - 11331] -> 14936	2534 <- [2720 - 2880 - 2987] -> 3339
expected	5176 <- [5770 - 10533 - 14493] -> 18824	3325 <- [3691 - 3890 - 3939] -> 4073

❗ Test metadata have changed

--- /dev/fd/63	2021-09-10 11:14:43.201303467 +0000
+++ /dev/fd/62	2021-09-10 11:14:43.201303467 +0000
@@ -8,7 +8,7 @@
   },
   "systemInformation": {
     "cpu": {
-      "brand": "Xeon® Platinum 8272CL",
+      "brand": "Xeon® Platinum 8171M",
       "cache": {
         "l1d": 65536,
         "l1i": 65536,
@@ -28,13 +28,13 @@
       "speed": 2.6,
       "speedMax": null,
       "speedMin": null,
-      "stepping": "7",
+      "stepping": "4",
       "vendor": "GenuineIntel",
       "virtualization": false,
       "voltage": ""
     },
     "mem": {
-      "total": 7291699200
+      "total": 7291695104
     },
     "osInfo": {
       "arch": "x64",
@@ -46,7 +46,7 @@
       "logofile": "ubuntu",
       "platform": "linux",
       "release": "20.04.3 LTS",
-      "serial": "cfc067bfcb844f35865e279a1b0e66c5",
+      "serial": "0f5fd491ff264b5f9d56e03599b4fae0",
       "servicepack": "",
       "uefi": false
     }

[blink1073]

@meeseeksdev please backport to 3.1.x