Update Roxygen 7.2.0 to 7.2.1

This seems to resolve the Roxygen issue for which RKorAPClient was
removed from CRAN:

Check Details
Version: 0.7.2
Check: HTML version of manual
Result: NOTE
    Found the following HTML validation problems:
RKorAPClient-package.html:23:4: Warning: <img> attribute "align" not
allowed for HTML5
RKorAPClient-package.html:23:4: Warning: <img> attribute "align" not
allowed for HTML5
Flavors: r-devel-linux-x86_64-debian-clang,
r-devel-linux-x86_64-debian-gcc

Change-Id: I801b13982d4924a6c8f311fcd7b58b2410e7df7e
diff --git a/man/RKorAPClient-package.Rd b/man/RKorAPClient-package.Rd
index 54822cd..b8ba65a 100644
--- a/man/RKorAPClient-package.Rd
+++ b/man/RKorAPClient-package.Rd
@@ -6,9 +6,9 @@
 \alias{RKorAPClient-package}
 \title{RKorAPClient: 'KorAP' Web Service Client Package}
 \description{
-\if{html}{\figure{logo.png}{options: align='right' alt='logo' width='120'}}
+\if{html}{\figure{logo.png}{options: style='float: right' alt='logo' width='120'}}
 
-A client package that makes the 'KorAP' web service API accessible from R. The corpus analysis platform 'KorAP' has been developed as a scientific tool to make potentially large, stratified and multiply annotated corpora, such as the 'German Reference Corpus DeReKo' or the 'Corpus of the Contemporary Romanian Language CoRoLa', accessible for linguists to let them verify hypotheses and to find interesting patterns in real language use. The 'RKorAPClient' package provides access to 'KorAP' and the corpora behind it for user-created R code, as a programmatic alternative to the 'KorAP' web user-interface. You can learn more about 'KorAP' and use it directly on 'DeReKo' at <https://korap.ids-mannheim.de/>.
+A client package that makes the 'KorAP' web service API accessible from R. The corpus analysis platform 'KorAP' has been developed as a scientific tool to make potentially large, stratified and multiply annotated corpora, such as the 'German Reference Corpus DeReKo' or the 'Corpus of the Contemporary Romanian Language CoRoLa', accessible for linguists to let them verify hypotheses and to find interesting patterns in real language use. The 'RKorAPClient' package provides access to 'KorAP' and the corpora behind it for user-created R code, as a programmatic alternative to the 'KorAP' web user-interface. You can learn more about 'KorAP' and use it directly on 'DeReKo' at \url{https://korap.ids-mannheim.de/}.
 }
 \references{
 Kupietz, Marc / Diewald, Nils / Margaretha, Eliza (2020):