Canonicalize CRAN links

[katrinleinweber]

• [~] closes #xxxx
• [~] tests added / passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• [~] whatsnew entry

[codecov]

Codecov Report

Merging #26268 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #26268      +/-   ##
==========================================
- Coverage   91.99%   91.98%   -0.01%     
==========================================
  Files         175      175              
  Lines       52379    52379              
==========================================
- Hits        48184    48180       -4     
- Misses       4195     4199       +4

Flag	Coverage Δ
#multiple	90.53% <ø> (ø)	⬆️
#single	40.74% <ø> (-0.13%)	⬇️

Impacted Files	Coverage Δ
pandas/io/sas/sas7bdat.py	91.15% <ø> (ø)	⬆️
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	96.9% <0%> (-0.12%)	⬇️

---

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[codecov]

Codecov Report

Merging #26268 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #26268      +/-   ##
==========================================
- Coverage   91.99%   91.98%   -0.01%     
==========================================
  Files         175      175              
  Lines       52379    52379              
==========================================
- Hits        48184    48180       -4     
- Misses       4195     4199       +4

Flag	Coverage Δ
#multiple	90.53% <ø> (ø)	⬆️
#single	40.72% <ø> (-0.15%)	⬇️

Impacted Files	Coverage Δ
pandas/io/sas/sas7bdat.py	91.15% <ø> (ø)	⬆️
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	96.9% <0%> (-0.12%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 1175933...eb49bfa. Read the comment docs.

[WillAyd]

Thanks @katrinleinweber !

[katrinleinweber]

You're welcome, and thanks for merging :-) Sorry about the confusion! I forgot to paste the CRAN docu URL into the PR description: https://cran.r-project.org/doc/manuals/R-exts.html#Specifying-URLs